Home / 35,901,795,411.20-53,852,693,116.80-21,208,514,643.20

Finding the Fourth Proportional to 35,901,795,411.20, 53,852,693,116.80 and 21,208,514,643.20

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Solution

The fourth proportional to 35,901,795,411.20, 53,852,693,116.80 and 21,208,514,643.20 is: 31,812,771,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,901,795,411.20 : 53,852,693,116.80 = 21,208,514,643.20 : x
  2. Step 2: Convert to fraction form
    35,901,795,411.20/53,852,693,116.80 = 21,208,514,643.20/x
  3. Step 3: Cross multiply
    35,901,795,411.20x = 53,852,693,116.80 × 21,208,514,643.20
  4. Step 4: Simplify right side
    35,901,795,411.20x = 1,142,135,630,543,408,726,016
  5. Step 5: Solve for x
    x = 1,142,135,630,543,408,726,016/35,901,795,411.20
  6. Step 6: Final answer
    x = 31,812,771,964.80

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.